About
I am a Ph.D. student in the department of Computer Science at Purdue University. My research interest lies in cryptography and relevant theoretical problems, especially in graph-theoretical aspects. In particular, I am drawn to password hashing using data-independent memory-hard functions and its applications, along with quantum information theory. I have been fortunate to be advised by Prof. Jeremiah Blocki since Spring 2019. Prior to joining Purdue, I completed my M.Sc in the department of Mathematical Sciences at Seoul National University and B.Sc at POSTECH.
Publications and Preprints
Preprints
Publications
Manuscript
- A Short Note on Improved Logic Circuits in a Hexagonal Minesweeper. [abstract][pdf]
Talks & Poster Presentations
- 2020
- 2019
- November 21: I am presenting a poster, "Approximating Cumulative Pebbling Cost is Unique Games Hard", at a Weekly Lab Meeting.
- November 6: I am giving a talk, "Approximating Cumulative Pebbling Cost is Unique Games Hard", at a Purdue Crypto Reading Group.
- October 10: I am giving a talk, "On the Multi-User Security of Short Schnorr Signatures", at a Weekly Lab Meeting.
- June 21: I am giving a talk, "Approximating Cumulative Pebbling Cost is Unique Games Hard", at a Weekly Lab Meeting.
- April 13: I am presenting a poster, "On the Security of Short Schnorr Signatures", at Midwest Security Workshop 7, in Chicago, IL.
- April 9: I am presenting a poster, "On the Security of Short Schnorr Signatures", at CERIAS Symposium 2019, in West Lafayette, IN.
Professional Services
Teaching Activities
At Purdue University
At Seoul National University
- [Fall/Spring 2013] Research Assistant for Research and Education Program with Sejong Science High School.
- [Fall 2013] Graduate TA for 033.002 (Calculus 2) and 300.204 (Differential Equations).
- [Spring 2013] Graduate TA for 033.001 (Calculus 1) and 300.204 (Differential Equations).
- [Fall 2012] Graduate TA for 033.004 (Honor Calculus and Practice 2).
- [Spring 2012] Graduate TA for 046.001 (Mathematics in Civilization).
- [Fall 2011] Graduate TA for 046.001 (Mathematics in Civilization).
- [Spring 2011] Graduate TA for 046.001 (Mathematics in Civilization).
- [Fall 2010] Graduate TA for 033.002 (Calculus 2).
Selected Grants and Awards
Contact
You may reach me at: lee2856@purdue.edu
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